Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6938411 | Method for removing nitrogen oxides and particulates from the lean exhaust gas of an internal combustion engine and exhaust gas emission system | Michael Hoffmann, Harald Klein, Thomas Kreuzer | 2005-09-06 |
| 6843971 | Process and catalyst for reducing nitrogen oxides | Marcus Pfeifer, Paul Spurk, Yvonne Demel, Thomas Kreuzer, Egbert Lox | 2005-01-18 |